IDT82P20416 Integrated Device Technology, IDT82P20416 Datasheet - Page 8

• Manufacturer Part Number: IDT82P20416
• Description: 16-channel Short Haul T1/e1/j1 Line Interface Unit
• Manufacturer: Integrated Device Technology

FEATURES
IDT and the IDT logo are trademarks of Integrated Device Technology, Inc.
 2009 Integrated Device Technology, Inc.
Integrates 16 channels T1/E1/J1 short haul line interface units
for 100 Ω T1, 120 Ω E1, 110 Ω J1 twisted pair cable and 75 Ω
E1 coaxial cable applications
Per-channel configurable Line Interface options
Per-channel programmable features
Per-channel System Interface options
Per-channel system and diagnostic functions
• Fully integrated and software selectable receive and transmit
• Supports global configuration and per-channel configuration to
• Provides T1/E1/J1 short haul waveform templates and user-
• Provides two JAs (Jitter Attenuator) for each channel of receiver
• Supports AMI/B8ZS (for T1/J1) and AMI/HDB3 (for E1) encoding
• Supports Single Rail, Dual Rail with clock or without clock and
• Integrated Clock Recovery for the transmit interface to recover
• Provides transmit driver over-current detection and protection
• Detects and generates PRBS (Pseudo Random Bit Sequence),
• Provides defect and alarm detection in both receive and transmit
• Programmable LLOS detection /clear levels. Compliant with ITU
termination
T1, E1 or J1 mode
programmable arbitrary waveform templates
and transmitter
and decoding
sliced system interface
transmit clock from system transmit data
with optional automatic high impedance of transmit interface
ARB (Arbitrary Pattern) and IB (Inband Loopback) in either
receive or transmit direction
directions.
and ANSI specifications
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Option 1: Fully Internal Impedance Matching with integrated receive
termination resistor
Option 2: Partially Internal Impedance Matching with common external
resistor for improved device power dissipation
Option 3: External impedance Matching termination
Defects include BPV (Bipolar Violation) /CV (Code Violation) and EXZ
(Excessive Zeroes)
Alarms include LLOS (Line LOS), SLOS (System LOS), TLOS
(Transmit LOS) and AIS (Alarm Indication Signal)
16-Channel
Short Haul T1/E1/J1 Line
Interface Unit
8
Hitless Protection Switching (HPS) without external Relays
Clock Inputs and Outputs
Microprocessor Interface
Other Key Features
Applicable Standards
• Various pattern, defect and alarm reporting options
• Supports Analog Loopback, Digital Loopback and Remote
• Supports T1.102 line monitor
• Supports 1+1 and 1:1 hitless protection switching
• Asynchronous hardware control (OE, RIM) for fast global high
• High impedance transmitter and receiver while powered down
• Per-channel register control for high impedance, independent for
• Flexible master clock (N x 1.544 MHz or N x 2.048 MHz) (1 ≤ N ≤
• Integrated clock synthesizer can multiply or divide the reference
• Supports Serial microprocessor interface
• IEEE1149.1 JTAG boundary scan
• Two general purpose I/O pins
• 3.3 V I/O with 5 V tolerant inputs
• 3.3 V and 1.8 V power supply
• Package: 484-pin Fine Pitch BGA (19 mm X 19 mm)
• AT&T Pub 62411 Accunet T1.5 Service
• ANSI T1.102, T1.403 and T1.231
• Bellcore TR-TSY-000009, GR-253-CORE and GR-499-CORE
• ETSI CTR12/13
• ETS 300166 and ETS 300 233
• G.703, G.735, G.736, G.742, G.772, G.775, G.783 and G.823
• O.161
• ITU I.431 and ITU O.171
Loopback
impedance of receiver and transmitter (hot switching between
working and backup board)
receiver and transmitter
8, N is an integer number)
clock to a wide range of frequencies: 8 KHz, 64 KHz, 2.048 MHz,
4.096 MHz, 8.192 MHz, 19.44 MHz and 32.768 MHz
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Serial hardware LLOS reporting (LLOS, LLOS0) for all 16 channels
Register access to individual registers or 16-bit error counters
December 17, 2009
IDT82P20416
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